aws_config/default_provider/
use_dual_stack.rsuse crate::environment::parse_bool;
use crate::provider_config::ProviderConfig;
use aws_runtime::env_config::EnvConfigValue;
use aws_smithy_types::error::display::DisplayErrorContext;
mod env {
pub(super) const USE_DUAL_STACK: &str = "AWS_USE_DUALSTACK_ENDPOINT";
}
mod profile_key {
pub(super) const USE_DUAL_STACK: &str = "use_dualstack_endpoint";
}
pub async fn use_dual_stack_provider(provider_config: &ProviderConfig) -> Option<bool> {
let env = provider_config.env();
let profiles = provider_config.profile().await;
EnvConfigValue::new()
.env(env::USE_DUAL_STACK)
.profile(profile_key::USE_DUAL_STACK)
.validate(&env, profiles, parse_bool)
.map_err(
|err| tracing::warn!(err = %DisplayErrorContext(&err), "invalid value for dual-stack setting"),
)
.unwrap_or(None)
}
#[cfg(test)]
mod test {
use crate::default_provider::use_dual_stack::use_dual_stack_provider;
#[allow(deprecated)]
use crate::profile::profile_file::{ProfileFileKind, ProfileFiles};
use crate::provider_config::ProviderConfig;
use aws_types::os_shim_internal::{Env, Fs};
use tracing_test::traced_test;
#[tokio::test]
#[traced_test]
async fn log_error_on_invalid_value() {
let conf = ProviderConfig::empty().with_env(Env::from_slice(&[(
"AWS_USE_DUALSTACK_ENDPOINT",
"not-a-boolean",
)]));
assert_eq!(use_dual_stack_provider(&conf).await, None);
assert!(logs_contain("invalid value for dual-stack setting"));
assert!(logs_contain("AWS_USE_DUALSTACK_ENDPOINT"));
}
#[tokio::test]
#[traced_test]
async fn environment_priority() {
let conf = ProviderConfig::empty()
.with_env(Env::from_slice(&[("AWS_USE_DUALSTACK_ENDPOINT", "TRUE")]))
.with_profile_config(
Some(
#[allow(deprecated)]
ProfileFiles::builder()
.with_file(
#[allow(deprecated)]
ProfileFileKind::Config,
"conf",
)
.build(),
),
None,
)
.with_fs(Fs::from_slice(&[(
"conf",
"[default]\nuse_dualstack_endpoint = false",
)]));
assert_eq!(use_dual_stack_provider(&conf).await, Some(true));
}
#[tokio::test]
#[traced_test]
async fn profile_works() {
let conf = ProviderConfig::empty()
.with_profile_config(
Some(
#[allow(deprecated)]
ProfileFiles::builder()
.with_file(
#[allow(deprecated)]
ProfileFileKind::Config,
"conf",
)
.build(),
),
None,
)
.with_fs(Fs::from_slice(&[(
"conf",
"[default]\nuse_dualstack_endpoint = false",
)]));
assert_eq!(use_dual_stack_provider(&conf).await, Some(false));
}
}